/* 页脚与头图透明 */
#footer {
  background: transparent !important;
}
#page-header {
  background: transparent !important;
}

/* 白天模式遮罩透明 */
#footer::before {
  background: transparent !important;
}
#page-header::before {
  background: transparent !important;
}

/* 夜间模式遮罩透明 */
[data-theme="dark"] #footer::before {
  background: transparent !important;
}
[data-theme="dark"] #page-header::before {
  background: transparent !important;
}

:root {
  --trans-light: rgba(255, 255, 255, 0.88);
  --trans-dark: rgba(25, 25, 25, 0.88);
  --border-style: 1px solid rgb(169, 169, 169);
  --backdrop-filter: blur(5px) saturate(150%);
}

/* 首页文章卡片 */
#recent-posts > .recent-post-item {
  background: var(--trans-light);
  backdrop-filter: var(--backdrop-filter);
  border-radius: 25px;
  border: var(--border-style);
}

/* 首页侧栏卡片 */
#aside-content .card-widget {
  background: var(--trans-light);
  backdrop-filter: var(--backdrop-filter);
  border-radius: 18px;
  border: var(--border-style);
}

/* 文章页、归档页、普通页面 */
div#post,
div#page,
div#archive {
  background: var(--trans-light);
  backdrop-filter: var(--backdrop-filter);
  border: var(--border-style);
  border-radius: 20px;
}

/* 导航栏 */
#page-header.nav-fixed #nav {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: var(--backdrop-filter);
}

[data-theme="dark"] #page-header.nav-fixed #nav {
  background: rgba(0, 0, 0, 0.7) !important;
}

/* 夜间模式遮罩 */
[data-theme="dark"] #recent-posts > .recent-post-item,
[data-theme="dark"] #aside-content .card-widget,
[data-theme="dark"] div#post,
[data-theme="dark"] div#archive,
[data-theme="dark"] div#page {
  background: var(--trans-dark);
}


/* 夜间模式页脚页头遮罩透明 */
[data-theme="dark"] #footer::before {
  background: transparent !important;
}
[data-theme="dark"] #page-header::before {
  background: transparent !important;
}

/* 阅读模式 */
.read-mode #aside-content .card-widget {
  background: rgba(158, 204, 171, 0.5) !important;
}
.read-mode div#post {
  background: rgba(158, 204, 171, 0.5) !important;
}

/* 夜间模式下的阅读模式 */
[data-theme="dark"] .read-mode #aside-content .card-widget {
  background: rgba(25, 25, 25, 0.9) !important;
  color: #ffffff;
}
[data-theme="dark"] .read-mode div#post {
  background: rgba(25, 25, 25, 0.9) !important;
  color: #ffffff;
}

/*哔哩哔哩视频适配*/
.aspect-ratio {
  position: relative;
  width: 90%;
  height: auto;
  padding-bottom: 75%;
  margin: 3% auto;
  text-align: center;
}
.aspect-ratio iframe {
  position: absolute;
  width: 100%;
  height: 86%;
  left: 0;
  top: 0;
}